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Aqueous two-phase extraction as a platform in the biomanufacturing industry: Economical and environmental sustainability

The biotech industry is, nowadays, facing unparalleled challenges due to the enhanced demand for biotechnology-based human therapeutic products, such as monoclonal antibodies (mAbs). This has led companies to improve substantially their upstream processes, with the yield of monoclonals increasing to...

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Published in:Biotechnology advances 2011-11, Vol.29 (6), p.559-567
Main Authors: Rosa, P.A.J., Azevedo, A.M., Sommerfeld, S., Bäcker, W., Aires-Barros, M.R.
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container_title Biotechnology advances
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creator Rosa, P.A.J.
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description The biotech industry is, nowadays, facing unparalleled challenges due to the enhanced demand for biotechnology-based human therapeutic products, such as monoclonal antibodies (mAbs). This has led companies to improve substantially their upstream processes, with the yield of monoclonals increasing to titers never seen before. The downstream processes have, however, been overlooked, leading to a production bottleneck. Although chromatography remains the workhorse of most purification processes, several limitations, such as low capacity, scale-related packing problems, low chemical and proteolytic stability and resins' high cost, have arisen. Aqueous two-phase extraction (ATPE) has been successfully revisited as a valuable alternative for the capture of antibodies. One of the important remaining questions for this technology to be adopted by the biotech industries is, now, how it compares to the currently established platforms in terms of costs and environmental impact. In this report, the economical and environmental sustainability of the aqueous two-phase extraction process is evaluated and compared to the currently established protein A affinity chromatography. Accordingly, the ATPE process was shown to be considerably advantageous in terms of process economics, especially when processing high titer cell culture supernatants. This alternative process is able to purify continuously the same amount of mAbs reducing the annual operating costs from 14.4 to 8.5 million (US$/kg) when cell culture supernatants with mAb titers higher than 2.5g/L are processed.
doi_str_mv 10.1016/j.biotechadv.2011.03.006
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ispartof Biotechnology advances, 2011-11, Vol.29 (6), p.559-567
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subjects affinity chromatography
Aqueous two-phase systems
Biological and medical sciences
Biotechnology
Biotechnology - economics
Biotechnology - methods
business enterprises
cell culture
Chromatography, Affinity
Drug Industry - economics
Drug Industry - methods
Economical analysis
Environment
environmental impact
Environmental sustainability
Fundamental and applied biological sciences. Psychology
Green Chemistry Technology
Humans
industry
Liquid-Liquid Extraction - economics
Liquid-Liquid Extraction - methods
monoclonal antibodies
operating costs
Protein A affinity chromatography
proteolysis
purification methods
Purification of antibodies
resins
title Aqueous two-phase extraction as a platform in the biomanufacturing industry: Economical and environmental sustainability
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